| 摘要 |
PROBLEM TO BE SOLVED: To provide a supporting frame storing the end of an inner bag within a container without taking the end outside the container when placing the inner bag in the container. SOLUTION: A plurality of insertion parts through which a wire is slidable are formed in an elastic wire to form a supporting frame of a size-changeable ring by inserting the elastic wire in the insertion parts and allowing the wire to slide while having a double-ring part. The ring which is reduced in size by a locking tool is temporarily fixed so that an inner bag can easily be set or inserted in a container. COPYRIGHT: (C)2011,JPO&INPIT
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